﻿// /*******************************************************************************
//  * Copyright 2012-2018 Esri
//  *
//  *  Licensed under the Apache License, Version 2.0 (the "License");
//  *  you may not use this file except in compliance with the License.
//  *  You may obtain a copy of the License at
//  *
//  *  http://www.apache.org/licenses/LICENSE-2.0
//  *
//  *   Unless required by applicable law or agreed to in writing, software
//  *   distributed under the License is distributed on an "AS IS" BASIS,
//  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  *   See the License for the specific language governing permissions and
//  *   limitations under the License.
//  ******************************************************************************/

using System.Globalization;

namespace Esri.ArcGISRuntime.Toolkit.Maui.Internal;

/// <summary>
/// *FOR INTERNAL USE* Returns a boolean representing visibility for a given load status.
/// </summary>
internal class LoadStatusToVisibilityConverter : IValueConverter
{
    /// <inheritdoc/>
    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        if (DesignMode.IsDesignModeEnabled)
        {
            if (parameter is string statusParameter)
            {
                switch (statusParameter)
                {
                    case "Loaded":
                        return true;
                    case "NotLoaded":
                        return false;
                    case "Loading":
                        return false;
                    case "FailedToLoad":
                        return false;
                    default:
                        return true;
                }
            }
        }

        if (value is LoadStatus status && parameter is string parameterString)
        {
            if (parameterString == "Loaded" && status == LoadStatus.Loaded)
            {
                return true;
            }
            else if (parameterString == "Loading" && status == LoadStatus.Loading)
            {
                return true;
            }
            else if (parameterString == "FailedToLoad" && status == LoadStatus.FailedToLoad)
            {
                return true;
            }
        }

        return false;
    }

    /// <inheritdoc/>
    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}
